/**
 * Copyright 2008-2009 HAN.BIFANG
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package han.bifang.business.dao;

import han.bifang.common.entity.SoaStatBus;
import han.bifang.common.exception.BifangErrorCode;
import han.bifang.common.exception.BifangException;
import han.bifang.common.persist.dao.DaoManager;
import han.bifang.common.persist.tx.Tx;
import han.bifang.common.persist.tx.TxManager;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * @Author Kent
 */
public class StatBusDao {

	public static String createStatBus(SoaStatBus s) throws BifangException {
		Tx tx = null;

		try {
			tx = TxManager.start();
			DaoManager.getDao().save(s);
			DaoManager.getDao().flush();
			tx.commit();
			return s.getId();
		} catch (Throwable e) {
			Log logger = LogFactory.getLog(StatServiceDao.class);
			logger.error("StatBusDao.createStatBus()", e);
			tx.rollback();
			throw new BifangException(BifangErrorCode.DB_ERROR,
					"createStatBus() error", e);
		} finally {
			tx.end();
		}

	}

	public static void modifyStatBus(SoaStatBus s) throws BifangException {
		Tx tx = null;

		try {
			tx = TxManager.start();
			DaoManager.getDao().merge(s);
			DaoManager.getDao().flush();
			tx.commit();

		} catch (Throwable e) {
			Log logger = LogFactory.getLog(StatServiceDao.class);
			logger.error("StatBusDao.modifyStatBus()", e);
			tx.rollback();
			throw new BifangException(BifangErrorCode.DB_ERROR,
					"modifyStatBus() error", e);
		} finally {
			tx.end();
		}
	}

	public static SoaStatBus getStatBus(String busCode) throws BifangException {
		Tx tx = null;

		try {
			tx = TxManager.start();
			String hql = "from SoaStatBus s where s.busCode = ?";
			List<SoaStatBus> b = DaoManager.getDao().find(hql, busCode);
			tx.commit();
			if (b.size() == 0)
				return null;
			else
				return b.get(0);
		} catch (Throwable e) {
			Log logger = LogFactory.getLog(StatServiceDao.class);
			logger.error("StatBusDao.getStatBus()", e);
			tx.rollback();
			throw new BifangException(BifangErrorCode.DB_ERROR,
					"getStatBus() error", e);
		} finally {
			tx.end();
		}

	}

	public static void removeStatBus(String busCode) throws BifangException {
		Tx tx = null;

		try {
			tx = TxManager.start();
			String hql = "from SoaStatBus s where s.busCode = ?";
			List<SoaStatBus> b = DaoManager.getDao().find(hql, busCode);
			if (b.size() > 0) {
				DaoManager.getDao().delete(b.get(0));
				DaoManager.getDao().flush();
			}
			tx.commit();
		} catch (Throwable e) {
			Log logger = LogFactory.getLog(StatServiceDao.class);
			logger.error("StatBusDao.removeStatBus()", e);
			tx.rollback();
			throw new BifangException(BifangErrorCode.DB_ERROR,
					"removeStatBus() error", e);
		} finally {
			tx.end();
		}
	}

}
